<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>姓名案例_插值语法实现</title>
    <!-- 引入Vue -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <div id="root">
        姓：<input type="text" v-model="firstName"> <br>
        名：<input type="text" v-model="lastName"> <br>
        全名：<span>{{fullName()}}</span>
    </div>

    <script>
        Vue.config.productionTip = false //阻止 vue 在启动时生成生产提示。

        new Vue({
            el: '#root',
            data: {
                firstName: '张',
                lastName: '三'
            },

            methods: {
                fullName() {
                    console.log('fullName------')
                    return this.firstName + '-' + this.lastName
                }
            }
        })
    </script>
</body>
</html>